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JEE Mains · Chemistry · STD 11 - 7. Redox reactions

નીયે આપેલ રસાયણિક પ્રક્રિયા ને નિહાળો : \(Cr _2 O _7^{2-}+ XH ^{+}+6 Fe ^{2+} \rightarrow YCr ^{3+}+6 Fe ^{3+}+ ZH _2 O\) \(X , Y\) અને \(Z\) નો સરવાળો \(......\) છે.

  1. A \(22\)
  2. B \(21\)
  3. C \(20\)
  4. D \(23\)
Verified Solution

Answer & Solution

Correct Answer

(D) \(23\)

Step-by-step Solution

Detailed explanation

\(Cr _2 O _7^{2-}+14 H ^{+}+6 Fe ^{2+} \rightarrow 6 Fe ^{3+}+2 Cr ^{3+}+7 H _2 O\) \(x =14\) \(y =2\) \(z =7\) Hence \((x+y+z)=14+2+7=23\)
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